KR20210157210A - Camera modure - Google Patents

Abstract

An embodiment of the present invention relates to a camera module comprising: a first body including a lens; a second body coupled to the first body, and including a hole; and a shield cover disposed within the second body, wherein the shield cover adheres to the second body, and a portion of a side plate of the shield cover is exposed by the hole of the second body. The present invention provides the camera module capable of maximizing heat dissipation performance and minimizing a waterproof problem.

Description

Camera module {CAMERA MODURE}

The present invention relates to a camera module.

Recently, an ultra-small camera module has been developed, and the micro-miniature camera module is widely used in small electronic products such as smartphones, notebook computers, and game machines.

With the popularization of automobiles, miniature cameras are used not only in small electronic products but also in vehicles. For example, a black box camera for vehicle protection or objective data on traffic accidents, a rear surveillance camera that enables the driver to monitor the blind spot at the rear of the vehicle through the screen to ensure safety when the vehicle is reversing; A peripheral detection camera capable of monitoring the surroundings of the vehicle is provided.

Recently, as the camera module has become high-pixel, the heat dissipation performance of the plastic body has become a problem. In particular, the conventional plastic body has a lower unit price than a metal body, but is vulnerable to heat dissipation, so a high-pixel camera module has a problem in that the product deteriorates as it is used.

An object of the present invention is to provide a camera module capable of maximizing heat dissipation performance and minimizing a waterproof problem.

In addition, an object of the present invention is to provide a camera module that minimizes assembly man-hours and reduces costs.

A camera module according to the present invention includes a first body including a lens; a second body coupled to the first body and including a hole; and a shield cover disposed within the second body, wherein the shield cover is adhered to the second body, and a portion of a side plate of the shield cover may be exposed through the hole of the second body.

The second body includes a bottom plate and a side plate extending from the bottom plate toward the first body, wherein the side plate of the second body includes a first area bonded to the shield cover, and the shield cover and a second region that is not adhered to the first body, wherein a thickness of the second region of the second body may be greater than a thickness of the first region of the second body.

An inner surface of the second region of the side plate of the second body may protrude inward than an inner surface of the first region of the side plate of the second body.

An inner surface of the first region and an inner surface of the second region of the side plate of the second body may include a stepped structure.

The shield cover includes a bottom plate disposed on the bottom plate of the second body, and a side plate disposed on the side plate of the first body, wherein the side plate of the shield cover is the first area of the second body can be placed in

A sum of a thickness of the side plate of the shield cover and a thickness of the first region of the side plate of the second body may be greater than a thickness of the second region.

An inner surface of the side plate of the shield cover may protrude inward than an inner surface of the first region of the side plate of the second body.

A thickness of the side plate of the shield cover may be smaller than a thickness of the second region of the side plate of the second body.

A width between inner surfaces of the first region of the second body facing each other may be greater than a width between inner surfaces of the second region of the second body facing each other.

The second body includes a bottom plate and a side plate extending from the bottom plate, and the hole of the second body includes a first hole formed in the bottom plate of the second body and the second body of the second body. A second hole formed in the side plate may be included, and the shape of the first hole may be different from that of the second hole.

The side plate of the second body includes a first side plate and a second side plate, a third side plate disposed opposite to the first side plate, and a fourth side plate disposed opposite to the second side plate, wherein the second side plate A plurality of holes are respectively formed in the first to fourth side plates, the second holes are arranged in a direction perpendicular to the optical axis, and the length of the first side plate in a direction perpendicular to the optical axis direction is the first The sum of the lengths of the plurality of second holes formed in the side plate in a direction perpendicular to the optical axis may be 1.5 to 2.5 times.

The cross-sectional area of the first side plate may be 3 to 5 times the total area of the plurality of second holes formed in the first side plate.

The second body includes a bottom plate and a side plate extending from the bottom plate, wherein the shield cover includes a bottom plate disposed on the bottom plate of the second body, and a bottom plate extending from the bottom plate of the shield cover. and a side plate disposed on the side plate of a second body, wherein at least a part of the bottom plate of the shield cover is exposed by the first hole of the second body, and at least a part of the side plate of the shield cover includes the It may be exposed through the second hole of the second body.

The substrate assembly includes a first substrate coupled to the first body, a second substrate disposed under the first substrate, a spacer separating the first substrate from the second substrate, and the first substrate and the first substrate. It may include a third substrate electrically connecting the two substrates.

and a heat dissipation member disposed within the shield cover and disposed between the shield cover and the spacer.

The shield cover may be insert-injected inside the second body.

The second body may be formed of a plastic material, and the shield cover may be formed of a metal material.

A camera module according to this embodiment includes a first body including a lens; a second body coupled to the first body; and a shield cover disposed in the second body and coupled to the second body, wherein the second body includes a bottom surface and an inner surface connected to the bottom surface and including a step, the shield cover comprising: and a bottom plate coupled to the bottom surface and a side plate coupled to the inner surface of the second body, wherein at least a portion of an upper surface of the side plate of the shield cover may be coupled with a step difference of the inner surface of the second body.

The shield cover and the second body may be coupled to be waterproof.

A camera module according to this embodiment includes a first body including a lens; a second body coupled to the first body; a shield cover disposed in the second body and coupled to the second body, the shield cover being waterproofly coupled to the second body, and the second body being formed to dissipate heat from the shield cover It may include a plurality of holes.

Through the present invention, it is possible to provide a plastic rear body structure capable of maximizing heat dissipation.

In addition, by assembling the metal shield cover and the plastic rear body by insert injection, it is possible to minimize assembly man-hours and reduce costs.

In addition, it is possible to prevent interface separation between the shield cover and the rear body through a pretreatment process on the shield cover, thereby maximizing the waterproof performance.

In addition, by disposing and contacting the shield cover on the inner surface of the rear body, it is possible to improve the waterproof and heat dissipation performance while miniaturizing the camera module.

1 is a perspective view of a camera module according to an embodiment of the present invention.
2 is an exploded perspective view of a camera module according to an embodiment of the present invention.
3 is a front view of a camera module according to an embodiment of the present invention.
4 is a cross-sectional view taken along line AA of FIG. 3 .
FIG. 5 is a cross-sectional view taken along line BB of FIG. 3 .
6 is a perspective view with a second body removed of the camera module according to an embodiment of the present invention.
7 is a side view of a camera module according to an embodiment of the present invention.
8 is a perspective view of a first body of a camera module according to an embodiment of the present invention.
9 is a perspective view of a second body of the camera module according to an embodiment of the present invention.
10 is a perspective view of a shield cover of a camera module according to an embodiment of the present invention.
11 is a perspective view of a substrate assembly of a camera module according to an embodiment of the present invention.
12 is a perspective view of the substrate assembly of FIG. 11 viewed from another angle;
13 is a perspective view of a spacer of a camera module according to an embodiment of the present invention.
14 is a perspective view illustrating a coupling relationship between a first body and a substrate assembly of a camera module according to an embodiment of the present invention.
15 is a rear view of a camera module according to an embodiment of the present invention.
16 to 18 are views illustrating a manufacturing process of a shield cover of a camera module according to an embodiment of the present invention.
19 is a view showing a coupling surface between the shield cover and the second body of the camera module according to an embodiment of the present invention.
20 to 22 are views further illustrating a heat dissipation member of the camera module according to an embodiment of the present invention.
23 is a perspective view of a camera module according to another embodiment of the present invention.
24 and 25 are exploded perspective views of a camera module according to another embodiment of the present invention.
26 is a front view of a camera module according to another embodiment of the present invention.
27 is a cross-sectional view taken along line AA of FIG. 26 .
FIG. 28 is a cross-sectional view taken along line BB of FIG. 26 .
29 is a side view of a camera module according to another embodiment of the present invention.
30 is a perspective view of a partial configuration of a camera module according to another embodiment of the present invention.
31 is an exploded perspective view of FIG. 30 ;
32 (a) and (b) are perspective views viewed from different angles of the second body part of the camera module according to another embodiment of the present invention.
33 is a diagram illustrating a heat dissipation path of a camera module according to an embodiment and another embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

However, the technical spirit of the present invention is not limited to some embodiments described, but may be implemented in various different forms, and within the scope of the technical spirit of the present invention, one or more of the components may be selected between the embodiments. It can be used by combining or substituted with

In addition, terms (including technical and scientific terms) used in the embodiments of the present invention may be generally understood by those of ordinary skill in the art to which the present invention belongs, unless specifically defined and described explicitly. It may be interpreted as a meaning, and generally used terms such as terms defined in advance may be interpreted in consideration of the contextual meaning of the related art.

In addition, the terminology used in the embodiments of the present invention is for describing the embodiments and is not intended to limit the present invention.

In the present specification, the singular form may also include the plural form unless otherwise specified in the phrase, and when it is described as "at least one (or more than one) of A and (and) B, C", it is combined as A, B, C It may include one or more of all possible combinations.

In addition, in describing the components of the embodiment of the present invention, terms such as first, second, A, B, (a), (b), etc. may be used. These terms are only used to distinguish the component from other components, and are not limited to the essence, order, or order of the component by the term.

And, when it is described that a component is 'connected', 'coupled', or 'connected' to another component, the component is directly 'connected', 'coupled', or 'connected' to the other component. In addition to the case, it may include a case of 'connected', 'coupled', or 'connected' due to another element between the element and the other element.

In addition, when it is described as being formed or disposed on "above (above)" or "below (below)" of each component, "above (above)" or "below (below)" means that two components are directly connected to each other. It includes not only the case where they are in contact, but also the case where one or more other components are formed or disposed between two components. In addition, when expressed as "upper (upper)" or "lower (lower)", the meaning of not only an upper direction but also a lower direction based on one component may be included.

Hereinafter, an embodiment of the present invention will be described in more detail with reference to the accompanying drawings.

1 is a perspective view of a camera module according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of a camera module according to an embodiment of the present invention, and FIG. 3 is a front view of the camera module according to an embodiment of the present invention 4 is a cross-sectional view taken along line AA of FIG. 3 , FIG. 5 is a cross-sectional view taken along BB of FIG. 3 , and FIG. 6 is a perspective view with the second body of the camera module removed according to an embodiment of the present invention, and FIG. A side view of a camera module according to an embodiment, FIG. 8 is a perspective view of a first body of a camera module according to an embodiment of the present invention, and FIG. 9 is a second body of a camera module according to an embodiment of the present invention 10 is a perspective view of a shield cover of a camera module according to an embodiment of the present invention, FIG. 11 is a perspective view of a substrate assembly of a camera module according to an embodiment of the present invention, and FIG. 12 is the substrate of FIG. A perspective view of the assembly viewed from another angle, FIG. 13 is a perspective view of a spacer of a camera module according to an embodiment of the present invention, and FIG. 14 is a combination of a first body and a substrate assembly of a camera module according to an embodiment of the present invention A perspective view showing the relationship, FIG. 15 is a rear view of a camera module according to an embodiment of the present invention, and FIGS. 16 to 18 show a manufacturing process of a shield cover of a camera module according to an embodiment of the present invention 19 is a view showing a coupling surface between the shield cover and the second body of the camera module according to an embodiment of the present invention, FIGS. 20 to 22 are a camera module according to an embodiment of the present invention It is a view showing an additional heat dissipation member of.

The camera module 10 according to an embodiment of the present invention may be a vehicle camera module. The camera module 10 may be coupled to a vehicle. The camera module 10 may be used in any one or more of a front camera, a side camera, a rear camera, and a black box of a vehicle. The camera module 10 may be disposed in front of the vehicle. The camera module 10 may be disposed at the rear of the vehicle. The camera module 10 may be coupled to the windshield of the vehicle. The camera module 10 may be coupled to a windshield at the front or rear of the vehicle. The camera module 10 may be disposed on the side of the vehicle. The camera module 10 may photograph a subject and output it as an image on a display (not shown).

The camera module 10 may include a first body 100 . The first body 100 may be referred to as any one of a front body, an upper housing, and a first housing. The first body 100 may include a body part 110 . The first body 100 may include a barrel part 120 . The first body 100 may include a lens 130 . The body part 110 , the barrel part 120 , and the lens 130 of the first body 100 may be integrally formed. Any two or more of the body part 110 , the barrel part 120 , and the lens 130 of the first body 100 may be integrally formed. As a modification, the body part 110 , the barrel part 120 , and the lens 130 may be formed separately.

The body part 110 may be coupled to the barrel part 120 . The first body part 110 may be integrally formed with the barrel part 120 . The body 110 may be formed of a plastic material. The body part 110 may be disposed on the second body 200 to be described later. The body part 110 may be coupled to the second body 200 . The lower end of the body part 110 may be fixed to the second body 200 . The body part 110 may be coupled to the second body 200 by any one of ultrasonic welding, laser welding, and thermal welding. As a modification, the body part 110 may be coupled to the second body 200 by an adhesive. The body 110 may be coupled to a first substrate 410 of a substrate assembly 400 to be described later.

The body 110 may be formed in a rectangular shape with an open lower portion. In this case, the corners of the body part 110 may be rounded. The body part 110 may include a top plate 111 and a side plate 112 extending from the top plate 111 . The upper plate 111 may be formed in a rectangular shape. The upper plate 111 may extend outwardly from the outer peripheral surface of the barrel part 120 . The side plate 112 may extend downward from the outer edge of the upper plate 111 . The side plate 112 may include a plurality of side plates 112 . The side plate 112 may include four side plates. The side plate 112 may be formed in a square plate shape. The side plate 112 may include a first side plate and a second side plate, a third side plate disposed opposite to the first side plate, and a fourth side plate disposed opposite to the second side plate. The side plate 112 may include first to fourth corners respectively disposed between the first to fourth side plates. Each of the first to fourth corners may include a round shape at least in part.

The body 110 may include a first protrusion 113 . The first protrusion 113 may protrude from the lower surface of the upper plate 111 . The first protrusion 113 may be disposed inside the second protrusion 114 of the body 110 to be described later. The first protrusion 113 may be coupled to the first substrate 410 . The first protrusion 113 may be coupled to an outer edge of the first substrate 410 . The first protrusion 113 may be formed in a shape corresponding to the outer edge of the first substrate 410 . A lower end of the first protrusion 113 may be coupled to the first substrate 410 . The lower end of the first protrusion 113 may be fixed to the first substrate 410 by an adhesive.

The first protrusion 113 may protrude more than the second protrusion 114 . The length of the first protrusion 113 in the optical axis direction may be longer than the length of the second protrusion 114 in the optical axis direction. The maximum length of the first protrusion 113 in the optical axis direction may be longer than the length of the second protrusion 114 in the optical axis direction. The first protrusion 113 may be spaced apart from the second protrusion 114 . The first protrusion 113 may be spaced apart from the second protrusion 114 in a direction perpendicular to the optical axis direction. At least a portion of the first protrusion 113 may face the second protrusion 114 .

The first protrusion 113 may protrude more than the side plate 112 . A length of the first protrusion 113 in the optical axis direction may be longer than a length of the side plate 112 in the optical axis direction. The first protrusion 113 has a 1-1 protrusion facing the first side plate, a 1-2 protrusion opposing the second side plate, a 1-3 protrusion facing the third side plate, and a fourth side plate opposing It may include the first 1-4 protrusion. The 1-1 to 1-4 protrusions may be integrally formed. The first protrusion 113 may be spaced apart from the side plate 112 . The first protrusion 113 may be spaced apart from the side plate 112 in a direction perpendicular to the optical axis direction.

The body part 110 may include a second protrusion part 114 . The second protrusion 114 may protrude from the lower surface of the upper plate 111 . The second protrusion 114 may be disposed outside the first protrusion 113 . The second protrusion 114 may be coupled to the second body 200 . At least a portion of the second protrusion 114 may be fusion-bonded to the second body 300 . At least a portion of the second protrusion 114 may be coupled to the second body 200 by any one of ultrasonic welding, laser welding, and thermal welding. As a modification, the second protrusion 114 may be fixed to the second body 200 by an adhesive. Alternatively, a portion of the second protrusion 114 may be fusion-bonded with the second body 200 , and the rest may be coupled with an adhesive.

The second protrusion 114 may not protrude lower than the first protrusion 113 . A length of the second protrusion 114 in the optical axis direction may be shorter than a length of the first protrusion 113 in the optical axis direction. The maximum length of the second protrusion 114 in the optical axis direction may be shorter than the length of the first protrusion 113 in the optical axis direction. The second protrusion 114 may face at least a portion of the first protrusion 113 . The second protrusion 113 includes a 2-1 protrusion facing the 1-1 protrusion, a 2-2 protrusion facing the 1-2 protrusion, and a 2-3 protrusion facing the 1-3 protrusion. And, it may include a 2-4 protrusion opposite to the 1-4 protrusion. The 2-1 to 2-4 protrusions may be integrally formed. The second protrusion 114 may include four corner protrusions disposed between the 2-1 to 2-4 protrusions. The four corner protrusions of the second protrusion 114 may be formed at positions corresponding to the four corners of the body part 110 . The second protrusion 114 may be spaced apart from the first protrusion 113 . The second protrusion 114 may be spaced apart from the first protrusion 113 in a direction perpendicular to the optical axis direction.

The second protrusion 114 may include a first side facing the first protrusion 113 , and a second side disposed opposite the first side and contacting the second side plate 112 . The length of the first side of the second protrusion 114 in the optical axis direction may be shorter than the length of the second side of the second protrusion 114 in the optical axis direction.

The second protrusion 114 may include an inclined surface 114a. The inclined surface 114a may be inclined in a direction from the first side of the second protrusion 114 toward the second side of the second protrusion 114 . The length of the second protrusion 114 in the optical axis direction may increase from the first side of the second protrusion 114 toward the second side of the second protrusion 114 . The inclined surface 114a may be fusion-bonded with the second body 200 . At least a portion of the inclined surface 114a may be fusion-bonded with the second body 200 .

The second protrusion 114 may contact the side plate 112 . The second side of the second protrusion 114 may be in contact with the inner surface of the side plate 112 . The second protrusion 114 may not be spaced apart from the side plate 112 . The second protrusion 114 may not be spaced apart from the side plate 112 in a direction perpendicular to the optical axis direction. The second protrusion 114 may extend along the inner surface of the side plate 112 .

The second protrusion 114 may not protrude below the side plate 112 . A length of the second protrusion 114 in the optical axis direction may be shorter than a length of the side plate 112 in the optical axis direction. A maximum length of the second protrusion 114 in the optical axis direction may be shorter than a length of the side plate 112 in the optical axis direction. In this case, the maximum length of the second protrusion 114 in the optical axis direction may mean a length in the optical axis direction from the second side surface of the second protrusion 114 .

The second protrusion 114 may be disposed between the first protrusion 113 and the side plate 112 . The second protrusion 114 may be disposed closer to the side plate 112 than the first protrusion 113 . The second protrusion 114 includes a 2-1 protrusion disposed on the first side plate, a 2-2 protrusion disposed on the second side plate, a 2-3 protrusion disposed on the third side plate, and a fourth side plate. It may include a 2-4 protrusion disposed. The second protrusion 114 may include a corner protrusion disposed between the 2-1 to 2-4 protrusions. Corner protrusions of the second protrusion 114 may be disposed at positions corresponding to the first to fourth corners of the side plate 112 .

The body 110 may include ribs 115 . The rib 115 may protrude from the lower surface of the upper plate 111 . The rib 115 may be disposed between the first protrusion 113 and the second protrusion 114 . The rib 115 may connect the first protrusion 113 and the second protrusion 114 . One end of the rib 115 may be coupled to the first protrusion 113 , and the other end of the rib 115 may be coupled to the second protrusion 114 . The rib 115 may extend in a direction perpendicular to the extending direction of the first protrusion 113 . The extending direction of the rib 115 may be a direction perpendicular to the extending direction of the second protrusion 114 . In this case, the extending direction of the rib 115 may mean the long side direction of the rib 115 . An extension direction of the rib 115 may be parallel to a direction perpendicular to the optical axis direction.

The ribs 115 may include a plurality of ribs 115 . The plurality of ribs 115 may be spaced apart from each other. A separation space may be formed between the plurality of ribs 115 . Through this, the heat generated when the second protrusion 114 and the second body 200 are fusion-bonded is transferred to the first protrusion 113 and the first substrate 410 coupled to the first protrusion 113 . can be prevented The rib 115 includes a first rib disposed between the 1-1 protrusion and the 2-1 protrusion, a second rib disposed between the 1-2 protrusion and the 2-1 protrusion, and a 1-3 protrusion. and a third rib disposed between the second and third protrusions, and a fourth rib disposed between the 1-4th protrusion and the 2-4 protrusion. Each of the first to fourth ribs may include a plurality of ribs. The first rib may include three ribs spaced apart from each other. The second rib may include three ribs spaced apart from each other. The third rib may include three ribs spaced apart from each other. The fourth rib may include three ribs spaced apart from each other. The rib 115 may reinforce the strength of the first protrusion 113 . The rib 115 may reinforce the strength of the second protrusion 114 . The rib 115 is a first substrate 410 in which heat generated during the fusion process between the second protrusion 114 and the second body 200 is coupled to the first protrusion 113 and the first protrusion 113. The shape to be transferred can be minimized.

The first body 100 may include a barrel part 120 . The barrel part 120 may be a lens barrel. The barrel part 120 may be formed of a plastic material. The barrel part 120 may be disposed on the body part 110 . The barrel part 120 may extend from the upper surface of the body part 110 . The barrel part 120 may be integrally formed with the body part 110 . As a modification, the barrel part 120 may be coupled to the body part 110 . In this case, the barrel part 120 may be fixed to the body part 110 by an adhesive. The barrel 120 may accommodate the lens 130 therein. The barrel 120 may include a hole. A lens 130 may be disposed in the hole of the barrel 120 . The inner circumferential surface of the hole of the barrel 120 may be formed in a shape and size corresponding to the outer circumferential shape of the lens 130 .

The first body 100 may include a lens 130 . The lens 130 may be disposed in the barrel part 120 . The lens 130 may be coupled to the barrel part 120 . The lens 130 may be disposed in the hole of the barrel part 120 . The lens 130 may include a plurality of lenses 130 . The lens 130 may be aligned with an image sensor 440 to be described later. The optical axis may be aligned with the image sensor 440 of the lens 130 . The optical axis of the lens 130 may coincide with the optical axis of the image sensor 440 . The first body 100 may include an infrared filter (IR filter, Infrared Ray filter) disposed between the lens 130 and the image sensor 440 .

The camera module 10 may include a second body 200 . The second body 200 may be referred to as any one of a rear body, a lower housing, and a second housing. The second body 200 may be formed in a rectangular shape with an open top. The second body 200 may be formed of a plastic material. The second body 200 may be disposed below the first body 100 . The second body 200 may be coupled to the first body 100 . The second body 200 may be fusion-bonded to the first body 100 . The second body 200 may be coupled to the first body 100 by any one of ultrasonic welding, laser welding, and thermal welding. At this time, ultrasonic welding is a process in which the first body 100 is vibrated with pressure in a state in which the second body 200 is fixed, so that the fusion portion of the second body 200 and the first body 100 is fused and integrated. can mean The second body 200 may form an internal space through coupling with the first body 100 .

The second body 200 may include a bottom plate 210 . The bottom plate 210 may face the top plate 111 of the body part 110 of the first body 110 . The bottom plate 210 may be spaced apart from the top plate 111 of the body part 110 of the first body 110 in the optical axis direction. The bottom plate 210 may be parallel to the top plate 111 of the body part 110 of the first body 110 . The bottom plate 210 may be formed in a rectangular shape. In this case, the corner of the bottom plate 210 may include a round shape at least in part.

The bottom plate 210 may include a first hole 211 . The first hole 211 may be formed through the upper and lower surfaces of the bottom plate 210 . The first hole 211 may expose the shield cover 300, which will be described later, to the outside. Through this, heat generated in the inner space of the first body 100 and the second body 200 may be discharged to the outside. Through this, the heat dissipation function of the camera module 10 may be performed. The first hole 211 may be spaced apart from a third hole 212 to be described later.

The first hole 211 may include a plurality of first holes 211 . The plurality of first holes 211 may have different shapes. The cross-sectional areas of the plurality of first holes 211 may be different from each other. The sizes of the plurality of first holes 211 may be different from each other. The plurality of first holes 211 may be disposed to avoid the holes 231 of the connector lead-out part 230 . The plurality of first holes 211 may have different shapes and sizes to avoid the holes 231 of the connector lead-out part 230 . Through this, an area of the shield cover 300 exposed to the outside through the bottom plate 210 of the second body 200 excluding the hole 231 of the connector lead-out part 230 can be maximized. At this time, the hole 231 of the connector lead-out 230 may be disposed at an optimal position to minimize the size of the camera module 10, and in this case, the plurality of first holes 211 may be connected to the connector lead-out ( It may be formed in a size and shape capable of maximizing the exposed area of the shield cover 300 while avoiding the hole 231 of the 230 . The plurality of first holes 211 may include four first holes 211 spaced apart from each other. The first hole 211 is a 2-1 hole 211-1, a 2-2 hole 211-2, and a 2- It may include a 3 hole 211-3 and a 2-4 hole 211-4. The 2-1 hole 211-1, the 2-2 hole 211-2, the 2-3 hole 211-3, and the 2-4 hole 211-4 are formed in different shapes, respectively. can be A cross section of the 2-1 hole 211-1 may be formed in a curved shape at least in part. The cross-sectional area of the 2-1 hole 211-1 may be smaller than the cross-sectional area of the 2-2 to 2-4 holes 211-2, 211-3, and 211-4. A cross section of the 2-2nd hole 211-2 may be formed in a curved shape at least in part. The cross-sectional area of the 2-2 hole 211-2 may be larger than the cross-sectional area of the 2-1 hole 211-1. The cross-sectional area of the 2-2nd hole 211-2 may be smaller than the cross-sectional area of the 2-3th hole 211-3 and the cross-sectional area of the 2-4th hole 211-4. A cross section of the 2-3rd hole 211-3 may be formed in a curved shape at least in part. The cross-sectional area of the 2-3th hole 211-3 is the cross-sectional area of the 2-1 hole 211-1, the cross-sectional area of the 2-2 hole 211-2, and the cross-sectional area of the 2-4 hole 211-4 It may be formed to be larger than the cross-sectional area. A cross section of the 2-4th hole 211-4 may be formed in a curved shape at least in part. The cross-sectional area of the 2-4 hole 211-4 hole may be larger than that of the 2-1 hole 211-1 and the cross-sectional area of the 2-2 hole 211-2. The cross-sectional area of the 2-4th hole 211-4 may be smaller than the cross-sectional area of the 2-3th hole 211-3. The 2-1 hole 211-1 and the 2-3 hole 211-3 may be disposed on opposite sides of the third hole 212 as the center. The 2-2 hole 211-2 and the 2-4 hole 211-4 may be disposed on opposite sides of the third hole 212 as the center.

The bottom plate 210 may include a third hole 212 . The third hole 212 may be spaced apart from the first hole 211 . The third hole 212 may be formed in a circular shape. A connector lead-out 230 to be described later may be disposed in the third hole 212 . The connector lead-out part 230 may pass through the third hole 212 . A connector 460 to be described later may pass through the second hole 212 . The bottom plate 310 of the shield cover 300 to be described later may be disposed on the bottom plate 210 . The bottom plate 310 of the shield cover 300 may be in surface contact with the bottom plate 210 . The bottom plate 310 of the shield cover 300 may be coupled to the bottom plate 210 by insert injection.

The second body 200 may include a side plate 220 . The side plate 220 may extend from the bottom plate 210 . The side plate 220 may extend from an outer edge of the bottom plate 210 . A shield cover 300 may be disposed on the side plate 220 . The shield cover 300 may be in surface contact with the inner surface of the side plate 220 . The side plate 320 of the shield cover 300 may be coupled to the side plate 220 by insert injection. An upper end of the side plate 220 may be coupled to the first body 100 . The outer surface of the side plate 200 may be disposed on the same plane as the outer surface of the side plate 112 of the first body 100 .

The side plate 220 may include a first region 224 in which the second hole 223 is formed, and a second region 225 extending from the first region 224 and in which the second hole 223 is not formed. can The first region 224 of the side plate 220 may be adhered to the shield cover 300 . The second region 225 of the side plate 220 may not adhere to the shield cover 300 and the first body 100 . The inner surface of the side plate 220 may include a stepped structure formed by the first region 224 and the second region 225 . The inner surface of the first region 224 of the side plate 220 may be disposed outside the inner surface of the second region 225 of the side plate 220 . An inner surface of the second region 225 of the side plate 220 may protrude inward than an inner surface of the first region 224 of the side plate 220 . The thickness t2 of the second region 225 of the second body 200 may be greater than the thickness t1 of the first region 224 of the second body 200 . The width d1 between the inner surfaces of the first region 224 of the second body 200 facing each other is the width d2 between the inner surfaces of the second region 225 of the second body 200 facing each other. can be larger

The side plate 320 of the shield cover 300 may be disposed in the first region of the side plate 200 . The side plate 320 of the shield cover 300 may be adhered to the first region of the side plate 200 . The side plate 320 of the shield cover 300 may directly contact and adhere to the first region of the side plate 200 . The coating layer C of the shield cover 300 may be adhered to the first region of the side plate 200 . A thickness t3 of the side plate 320 of the shield cover 300 in a direction perpendicular to the optical axis direction may be thinner than a thickness t2 of the second region of the side plate 220 in a corresponding direction. The side plate 220 includes a first side plate 220a and a second side plate 220b, a third side plate 220c disposed opposite to the first side plate 220a, and a second side plate 220b disposed on the other side A fourth side plate 220d may be included. The side plate 220 includes a first corner 220e disposed between the first side plate 220a and the second side plate 220b, and a second corner disposed between the second side plate 220b and the third side plate 220c. 220f, a third corner 220g disposed between the third side plate 220c and the fourth side plate 220d, and a fourth corner disposed between the fourth side plate 220d and the first side plate 220a (220h). The first to fourth corners 220e, 220f, 220g, and 220h of the side plate 220 may include a round shape.

The side plate 220 may include a third protrusion 221 . The third protrusion 221 may protrude upward from the upper end of the side plate 220 . The third protrusion 221 may protrude upward from the upper surface 222 of the side plate 220 . The third protrusion 221 may abut against the second protrusion 114 of the first body 100 . The third protrusion 221 may be disposed on the inclined surface 114a of the second protrusion 114 of the first body 100 . The third protrusion 221 may be coupled to at least a portion of the second protrusion 114 of the first body 100 . The third protrusion 221 may be fusion-bonded with at least a portion of the second protrusion 114 of the first body 100 . In this case, the fusion bonding may mean any one of ultrasonic welding, laser welding, and thermal welding. The third protrusion 221 may protrude from a partial region of the upper surface 222 of the side plate 220 . The outer surface of the third protrusion 221 may be in contact with the inner surface of the side plate 112 of the first body 100 . A portion of the third protrusion 221 is in contact with the inclined surface 114a of the second protrusion 114 of the first body 100 by fusion, and the remainder of the third protrusion 221 is the first body 100 . It may be in contact with the side plate 112 .

The side plate 220 may include an upper surface 222 . The upper surface 222 may mean a surface facing the body portion 110 of the first body 100 . The upper surface 222 may include a first area in which the third protrusion 221 protrudes and a second area in which the third protrusion 221 does not protrude. The second region may be disposed outside the first region. The lower end of the side plate 112 of the first body 100 may be disposed in the second region of the upper surface 222 . The second region of the upper surface 222 may be coupled to the lower end of the side plate 112 of the first body 100 . The second region and the third protrusion 221 of the upper surface 222 may form a stepped structure. The second region and the third protrusion 221 of the upper surface 222 may be disposed to have a step difference.

The side plate 220 may include a second hole 223 . A second hole 223 may be formed in the side plate 220 . The second hole 223 may be formed through the outer and inner surfaces of the side plate 220 . The shield cover 300 may be exposed to the outside through the second hole 223 . The second hole 223 may expose at least a portion of the side plate 320 of the shield cover 300 to the outside.

The second hole 223 may include a plurality of second holes 223 . The second hole 223 includes a 2-1 hole formed in the first side plate 220a, a 2-2 hole formed in the second side plate 220b, and a second hole formed in the third side plate 220c. It may include a -3 hole and a 2-4 hole formed in the fourth side plate 220d. The 2-1 hole may be formed between the first corner 220e and the fourth corner 220h. The 2-1 hole may be spaced apart from the first corner 220e and the fourth corner 220h. The 2-1 hole may include a plurality of 2-1 holes spaced apart from each other. The 2-1 hole may include five 2-1 holes spaced apart from each other. The 2-2 hole may be disposed between the first corner 220e and the second corner 220f. The 2-2 hole may be spaced apart from the first corner 220e and the second corner 220f. The 2-2 hole may include a plurality of 2-2 holes spaced apart from each other. The 2-2 hole may include five 2-2 holes spaced apart from each other. Holes 2-3 may be disposed between the second corner 220f and the third corner 220g. Holes 2-3 may be spaced apart from the second corner 220f and the third corner 220g. Hole 2-3 may include a plurality of holes 2-3 spaced apart from each other. The 2-3th hole may include five 2-3th holes spaced apart from each other. Holes 2-4 may be disposed between the third corner 220g and the fourth corner 220h. Holes 2-4 may be spaced apart from the third corner 220g and the fourth corner 220h. Holes 2-4 may include a plurality of holes 2-4 spaced apart from each other. Holes 2-4 may include five holes 2-4 spaced apart from each other. The plurality of second holes 223 may be formed to have the same shape as each other. However, the present invention is not limited thereto and may be formed and disposed in various shapes to maximize external exposure of the shield cover 300 . The second hole 223 may be formed in a shape different from that of the first hole 211 . A cross-sectional area of the second hole 223 may be different from a cross-sectional area of the first hole 211 .

The second hole 223 may be disposed in the first to fourth side plates 220a , 220b , 220c , 220d of the second body 200 , respectively. The second hole 223 may include five 2-1 holes disposed on the first side plate 220a. The length of the first side plate 220a in the direction perpendicular to the optical axis direction may be 1.5 to 2.5 times the total length of the five 2-1 holes in the corresponding direction. For example, it may be doubled. The length in the optical axis direction of the first side plate 220a may be twice the length in the corresponding direction of the 2-1 hole. The cross-sectional area of the first side plate 220a may be 3 to 5 times the total cross-sectional area of the five 2-1 holes. For example, it may be 4 times. In this case, the cross-sectional area may mean a cross-sectional area calculated assuming a square plate in which the 2-1 hole of the first side plate 220a is not formed. That is, the cross-sectional area of the first side plate 220a may be calculated excluding the 2-1 hole. However, the present invention is not limited thereto, and the second hole 223 may be formed in various sizes and numbers in order to maximize the exposed area of the shield cover 300 .

The second body 200 may include a connector lead-out part 230 . The connector lead-out part 230 may be coupled to the bottom plate 210 . The connector lead-out part 230 may be disposed in the third hole 212 of the bottom plate 210 . The connector lead-out part 230 may pass through the third hole 212 of the bottom plate 210 . The connector lead-out part 230 may have a connector 460 disposed therein. The connector lead-out part 230 may be formed of a plastic material. The connector lead-out part 230 may include a first portion that protrudes above the bottom plate 210 . The connector lead-out part 230 may include a second part that also protrudes below the bottom plate 210 . The first part and the second part of the connector lead-out part 230 may be integrally formed. A length of the first part of the connector lead-out part 230 in the optical axis direction may be smaller than a length of the second part of the connector lead-out part 230 in the optical axis direction. The length of the first portion in the optical axis direction may correspond to the thickness of the bottom plate 310 of the shield cover 300 . The upper surface of the first part may be disposed on the same plane as the upper surface of the bottom plate 310 of the shield cover 300 . The connector lead-out part 230 may include a hole 231 . A connector 460 may be disposed in the hole 231 . The hole 231 may accommodate at least a portion of the connector 460 . Through this, the connector lead-out part 230 may fix the connector 460 .

The camera module 10 may include a shield cover 300 . The shield cover 300 may be formed of a metal material. The shield cover 300 may include a bottom plate 310 , a side plate 320 extending from the bottom plate 310 , and corners 330 disposed on the plurality of side plates 320 . The bottom plate 310 , the side plate 320 , and the corner 330 may be integrally formed. The bottom plate 310 may be in contact with the bottom plate 210 of the second body 200 .

The bottom plate 310 may include a hole 311 . The hole 311 may be formed in a shape corresponding to the third hole 212 of the second body 200 . The hole 311 may be formed to have a size corresponding to that of the third hole 212 of the second body 200 . At least a portion of the connector lead-out part 230 may be disposed in the hole 311 . The connector lead-out part 230 may pass through the hole 311 . The inner circumferential surface of the hole 311 may be in contact with at least a portion of the outer circumferential surface of the connector lead-out part 230 . At least a portion of the connector 460 may be disposed in the hole 311 . A connector 460 may pass through the hole 311 .

The side plate 320 includes a first side plate 321 and a second side plate 322 , a third side plate 323 disposed opposite to the first side plate 321 , and a second side plate 322 disposed on the other side of the side plate 322 . A fourth side plate 324 may be included. The outer surface of the first side plate 321 may be in contact with the inner surface of the first side plate 220a of the second body 200 . The outer surface of the second side plate 322 may be in contact with the inner surface of the second side plate 220b of the second body 200 . The outer surface of the third side plate 323 may be in contact with the inner surface of the third side plate 220c of the second body 200 . The outer surface of the fourth side plate 324 may be in contact with the inner surface of the fourth side plate 220d of the second body 200 .

The side plate 320 includes a first corner 331 disposed on the first side plate 321 and the second side plate 322 , and a second corner disposed between the second side plate 322 and the third side plate 323 . 332 , a third corner 333 disposed between the third side plate 323 and the fourth side plate 324 , and a fourth corner disposed between the fourth side plate 324 and the first side plate 321 . (334) may be included. The outer peripheral surface of the first corner 331 may be in contact with the inner peripheral surface of the first corner 220e of the second body 200. The outer peripheral surface of the second corner 332 is the second corner 220f of the second body 200 ) The outer circumferential surface of the third corner 333 may be in contact with the inner circumferential surface of the third corner 220g of the second body 200. The outer circumferential surface of the fourth corner 334 is the second It may be in contact with the inner circumferential surface of the fourth corner 220h of the body 200. The shield cover 300 may be grounded (grounded) with the second substrate 420. Shield cover 300 and connector 460 The outer surface of may be grounded.

The shield cover 300 may be coupled to the second body 200 to be waterproof. Depending on the use, waterproofing may satisfy IP52 or higher for waterproof and dustproof, and if it is installed outside a vehicle, it may satisfy IP69K.

16 to 18 , the shield cover 300 may be integrally formed by forming metal. That is, the bottom plate 310 , the side plate 320 , and the corner 330 of the shield cover 300 may be integrally formed by molding metal. In more detail, the shield cover 300 may be seated on a solid mold 500 having a rectangular shape. At this time, the shape of the shield cover 300 may be formed by pressing the shield cover 300 in a direction toward the mold 500 . In this case, the problem of forming a gap between the side plate and the side plate generated in the shield cover formed by bending the plate material to form the side plate and coupling the formed side plate and the side plate can be solved. That is, since the shield cover 300 of the present invention is integrally formed with the side plate 320 and the corner 330 , there may not be a gap between the plurality of side plates 320 or between the side plates 320 and the corner 330 .

The shield cover 300 may be treated with a metal surface. The shield cover 300 may be pre-treated. A bonding surface of the shield cover 300 with the second body 200 may be treated with a metal surface. The bonding surface of the shield cover 300 with the second body 200 may be pre-treated. The shield cover 300 may undergo a pretreatment process of the metal surface before insert injection into the second body 200 . The shield cover 300 may be formed of aluminum. At least a portion of the shield cover 300 may be formed of aluminum. The shield cover 300 may be formed of a metal material having high thermal conductivity. The pretreatment or metal surface treatment may refer to a process of removing oil attached to the metal surface and forming a coating layer or a surface treatment layer. In this case, the surface treatment layer may mean a higher concept including the coating layer (C) or the coating layer. The surface treatment layer may include a coating layer (C). The surface treatment layer may include a coating layer. When the bonding surface of the shield cover 300 with the second body 200 is immersed in a special solution for a certain period of time, nano-sized pores (S) on the bonding surface of the shield cover 300 with the second body 200 can be formed. Through this, a portion of the second body 200 made of plastic is melted by the heat generated during the insert injection process of the shield cover 300 and the second body 200 and flows into the pores S of the shield cover 300 . can be In this case, the bonding force, bonding force, and adhesion between the shield cover 300 and the second body 200 may be increased. In addition, if the bonding surface of the shield cover 300 with the second body 200 is immersed in a special solution for a certain period of time, a coating layer (C) or a film layer is formed on the bonding surface of the shield cover 300 with the second body 200 can be Through this, it is possible to prevent an interface separation phenomenon between the bonding surface of the shield cover 300 and the second body 200 . In addition, waterproofing between the shield cover 300 and the second body 200 may be possible without a separate waterproofing member or sealing member.

The shield cover 300 may be fixed to the second body 200 through insert molding. The shield cover 300 may be fixed to the second body 200 through insert molding. Insert injection or insert molding may refer to a molding method in which a metal member and a plastic member are integrated. A portion of the second body 200 may be melted by the heat generated during the insert injection process and may be introduced into the pores S generated in the pre-positioning process of the shield cover 300 .

The camera module 10 may include a substrate assembly 400 . The substrate assembly 400 may be disposed in the second body 200 . The substrate assembly 400 may be disposed in an internal space formed by combining the first body 100 and the second body 300 . The substrate assembly 400 may be disposed in the shield cover 300 .

The substrate assembly 400 may include a first substrate 410 . The first substrate 410 may include a printed circuit board. The first substrate 410 may include a rigid printed circuit board. An image sensor 440 may be disposed on the first substrate 410 . In this case, the first substrate 410 may be referred to as a sensor substrate. The first substrate 410 may include a first surface facing the body portion 100 of the first body 100 and a second surface disposed opposite to the first surface. The image sensor 440 may be disposed on the first surface of the first substrate 410 . The first substrate 410 may be coupled to the first body 100 . In the first substrate 410 , the first body 100 may be coupled to the first protrusion 113 . The first body 100 may be coupled to the first protrusion 113 on the outer edge of the first surface of the first substrate 410 .

The substrate assembly 400 may include a second substrate 420 . The second substrate 420 may include a printed circuit board. The second substrate 420 may include a rigid printed circuit board. The second substrate 420 may be disposed under the first substrate 410 . The second substrate 420 may be spaced apart from the first substrate 410 . The second substrate 420 may be spaced apart from the first substrate 410 in the optical axis direction. The second substrate 420 may supply power to the first substrate 410 . The second substrate 420 may be disposed parallel to the first substrate 410 . The second substrate 420 may be electrically connected to the connector 460 . The second substrate 420 may include a first surface facing the first substrate 410 and a second surface disposed opposite to the second surface. A connector 460 may be disposed on the second surface of the second substrate 420 .

The substrate assembly 400 may include a third substrate 430 . The third substrate 430 may include a flexible printed circuit board (FPCB). The third substrate 430 may electrically connect the first substrate 410 and the second substrate 420 . One end of the third substrate 430 may be connected to the first substrate 410 , and the other end of the third substrate 430 may be connected to the second substrate 420 . The third substrate 430 may have elasticity.

The substrate assembly 400 may include a spacer 450 . \ The spacer 450 may be referred to as a shield can. The spacer 450 may be referred to as an electromagnetic wave shielding member. The spacer 450 may block electromagnetic interference (EMI) or electromagnetic waves. The spacer 450 may serve to space the plurality of substrates apart. The spacer 450 may be formed of a metal material.

The spacer 450 may be referred to as a first shield can, and in this case, the shield cover 300 may be referred to as a second shield can. The spacer 450 may be disposed under the first substrate 410 . The spacer 450 may be disposed on the second substrate 420 . The spacer 450 may be disposed between the first substrate 410 and the second substrate 420 . The spacer 450 may separate the first substrate 410 and the second substrate 420 from each other.

The spacer 450 may include a body portion 451 . The body portion 451 may include a plurality of body portions 451 . The body portion 451 includes a first body portion 451a and a second body portion 451b, a third body portion 451c disposed opposite to the first body portion 451a, and a second body portion 451b. ) may include a fourth body portion (451d) disposed on the opposite side. The first to fourth body parts 451a, 451b, 451c, and 451d may be spaced apart from each other except for a connection part 456 to be described later.

The body portion 451 may include a first protrusion 452 formed on the upper end of the body portion 451 . The first protrusion 452 may include two protrusions 452 spaced apart from each other. The first protrusion 452 may be disposed on the second surface of the first substrate 410 . The body portion 451 may include a groove 453 formed between the first protrusions 452 . The width of the groove 453 formed between the two first protrusions 452 of the first body portion 451a is the width of the two first protrusions 452 of the second to fourth body portions 451b, 451c, 451d. It may be formed to be larger than the width of the groove 453 formed therebetween. Through this, the third substrate 430 may pass through the groove 453 formed in the first body portion 451a to electrically connect the first substrate 410 and the second substrate 420 .

The spacer 450 may include a first coupling part 454 . The first coupling portion 454 may be formed at a lower end of each of the second body portion 451b and the fourth body portion 451d. The first coupling part 454 may protrude downward from at least a partial area of the lower ends of the second body part 451b and the fourth body part 451d.

The first coupling part 454 may include a first hole 454a. The first hole 454a of the first coupling portion 454 formed in the second body portion 451b is formed with the first hole 454a of the first coupling portion 454 formed in the fourth body portion 451d and They may overlap in a direction perpendicular to the optical axis direction. At least a portion of a second protrusion 454c to be described later may be disposed in the first hole 454a. The first hole 454a may be formed to prevent interference with the second protrusion 454c.

The first coupling part 454 may include a second hole 454b. The second hole 454b of the first coupling portion 454 formed in the second body portion 451b is formed with the second hole 454b of the first coupling portion 454 formed in the fourth body portion 451d and They may overlap in a direction perpendicular to the optical axis direction. The second hole 454b may be formed to create a third protrusion 454d, which will be described later. The second hole 454b may be spaced apart from the first hole 454a.

The first coupling part 454 may include a second protrusion 454c. The second protrusion 454c of the first coupling portion 454 formed on the second body portion 451b includes the second projection 454c of the first coupling portion 454 formed on the fourth body portion 451d and They may overlap in a direction perpendicular to the optical axis direction. The second protrusion 454c may be formed by bending from a portion of the lower end of the first coupling portion 454 . The second protrusion 454c may include a bent portion for supporting the second surface of the second substrate 420 . An end of the bent portion of the second protrusion 454c may be disposed in the first hole 454a. The second substrate 420 may be fixed to the spacer 450 through the second protrusion 454c.

The first coupling part 454 may include a third protrusion 454d. The third protrusion 454d may be formed by cutting a partial area of the first coupling part 454 and pressing the cut area outward. In this case, the cut area may be the second hole 454b. The third protrusion 454d of the first coupling portion 454 formed on the second body portion 451b includes the third projection 454d of the first coupling portion 454 formed on the fourth body portion 451d and They may overlap in a direction perpendicular to the optical axis direction. The third protrusion 454d may include a first area extending obliquely with respect to the first coupling part 454 and a second area extending from the first area in parallel with the first coupling part 454 .

The spacer 450 may include a second coupling part 455 . The second coupling part 455 may extend downward from the lower end of the third body part 451c. The second coupling portion 455 may extend downward from a partial region of the lower end of the third body portion 451c. The second coupling part 455 may include a third hole 455a. A portion of the second substrate 420 may be disposed in the third hole 455a. A portion of the second substrate 420 may be fitted into the third hole 455a to fix the second substrate 420 .

The spacer 450 may include a connection part 456 . The connection part 456 may connect the first to fourth body parts 451a, 451b, 451c, and 451d. The connection part 456 may include a curved surface. The connection part 456 may be disposed on the first surface of the second substrate 420 . The connection part 456 may press the second substrate 420 downward, and the second protrusion 454c may press the second substrate 420 upward to fix the second substrate 420 .

The spacer 450 may be disposed in the shield cover 300 . The shield member 450 may be spaced apart from the shield cover 300 . The shield member 450 may be spaced apart from the bottom plate 310 of the shield cover 300 in the optical axis direction. The shield member 450 may be spaced apart from the side plate 320 of the shield cover 300 in a direction perpendicular to the optical axis direction. The spacer 450 may be formed of a metal material. The thickness of the spacer 450 may be thinner than the thickness of the side plate 320 of the shield cover 300 . The spacer 450 may face the side plate 320 of the shield cover 300 .

The substrate assembly 400 may include a connector 460 . The connector 460 may be disposed on the second surface of the second substrate 420 . . The connector 460 may be fixed to the second surface of the second substrate 420 . The connector 460 may be electrically connected to the second substrate 420 . A portion of the connector 460 may be disposed in the shield cover 300 , and the rest may be disposed in the connector lead-out 230 of the second body 200 . The connector 460 may pass through the hole 311 of the shield cover 300 . The connector 460 may pass through the third hole 212 of the second body 200 .

20 to 22 , the camera module 10 may include a heat dissipation member 600 . The heat dissipation member 600 may be referred to as any one of a heat dissipation pad, a heating pad, and a thermal pad. The heat dissipation member 600 may be formed of a thermally conductive material.

The heat dissipation member 600 may be disposed in the shield cover 300 . The heat dissipation member 600 may be disposed on the bottom plate 310 of the shield cover 300 . The heat dissipation member 600 may be disposed between the bottom plate 310 of the shield cover 300 and the second substrate 420 . One end of the heat dissipation member 600 may contact the second surface of the substrate 420 , and the other end of the heat dissipation member 600 may contact the bottom plate 310 of the shield cover 300 . Through this, heat generated from the substrate assembly 400 may be transferred to the shield cover 300 to maximize heat dissipation performance.

The heat dissipation member 600 has a first side facing the first side 220a of the second body 200, a second side facing the second side 220b of the second body 200, and a second It may include a third side facing the third side 220c of the body 200 and a fourth side facing the fourth side 220d of the second body 200 .

The heat dissipation member 600 may include a groove portion 610 . The groove portion 610 may be formed by being depressed from the second side surface of the heat dissipation member 600 . The groove portion 610 may be formed by being depressed from the third side surface of the heat dissipation member 600 . The groove 600 may be formed to avoid the hole 311 of the bottom plate 310 of the shield cover 300 . The groove 600 may be formed to avoid the connector 460 of the substrate assembly 400 . The groove portion 610 may include a curved surface at least in part. The groove portion 610 may be formed to be round.

Hereinafter, the camera module 20 according to another embodiment of the present invention will be described in more detail with reference to the accompanying drawings.

23 is a perspective view of a camera module according to another embodiment of the present invention, FIGS. 24 and 25 are exploded perspective views of a camera module according to another embodiment of the present invention, and FIG. 26 is a camera according to another embodiment of the present invention It is a front view of the module, Figure 27 is a cross-sectional view taken along AA of Figure 26, Figure 28 is a cross-sectional view taken along BB of Figure 26, Figure 29 is a side view of a camera module according to another embodiment of the present invention, Figure 30 is another embodiment of the present invention A perspective view of a partial configuration of a camera module according to an example, FIG. 31 is an exploded perspective view of FIG. 30, and FIGS. 32 (a) and (b) are different from each other in the second body part of the camera module according to another embodiment of the present invention This is a perspective view from an angle.

The camera module 20 according to another embodiment of the present invention may be interpreted as having the same configuration except for the second body 200 of the camera module 10 according to an embodiment of the present invention. The same reference numerals may be assigned to the same components as those of the camera module 10 according to an embodiment among the camera modules 20 according to another embodiment.

The camera module 20 may include a second body 200 . The second body 200 may be referred to as any one of a rear body, a lower housing, and a second housing. The second body 200 may be formed in a rectangular shape with upper and lower portions open. The second body 200 may be formed of a plastic material. The second body 200 may be disposed below the first body 100 . The second body 200 may be disposed on the shield cover 300 . The second body 200 may be coupled to the first body 100 . The second body 200 may be coupled to the shield cover 300 . The second body 200 may be fusion-bonded to the first body 100 . The second body 200 may be coupled to the first body 100 by any one of ultrasonic welding, laser welding, and thermal welding. At this time, ultrasonic welding is a process in which the first body 100 is vibrated with pressure in a state in which the second body 200 is fixed, so that the fusion portion of the second body 200 and the first body 100 is fused and integrated. can mean

The second body 200 may include a second body part 240 . The second body part 240 may be coupled to the first body part 110 of the first body 100 . An upper portion of the second body unit 240 may be coupled to the first body unit 110 . The second body part 240 may be fusion-bonded with the first body part 110 . The second body part 240 may be coupled to the first body part 110 by any one of ultrasonic welding, laser welding, and thermal welding. The second body part 200 may be formed of a plastic material.

The second body part 240 may include an upper surface 241 . The upper surface 241 may be a surface facing the first body part 110 . The upper surface 241 may include a first area in which the protrusion 242, which will be described later, protrudes, and a second area in which the protrusion 242 does not protrude. The side plate 112 of the first body part 110 may be disposed in the second region of the upper surface 241 . The second region of the upper surface 241 may be coupled to the side plate 112 of the first body part 110 .

The second body part 240 may include a protrusion part 242 . The protrusion 242 may protrude from the upper surface 241 . The protrusion 242 may protrude upward from the first area of the upper surface 241 . The protrusion 242 may be disposed on the second protrusion 114 of the first body part 110 . At least a portion of the protrusion 242 may be in contact with the inclined surface 114a of the second protrusion 114 of the first body part 110 . The protrusion 242 may be fusion-bonded with the second protrusion 114 of the first body part 110 . The protrusion 242 may be fusion-bonded with the second protrusion 114 of the first body part 110 by any one of ultrasonic fusion, laser fusion, and thermal fusion.

The second body part 240 may include a side plate. The side plate includes a first side plate 244 and a second side plate 245 , a third side plate 246 disposed opposite to the first side plate 244 , and a fourth side plate disposed opposite to the second side plate 245 . (247). The first to fourth side plates 244 , 245 , 246 , and 247 may be coupled to the side plate 112 of the first body part 110 . In this case, the side plates 112 of the first body part 110 and the side plates 244 , 245 , 246 , and 247 of the second body part 240 may be disposed on the same plane. A groove 248 may be formed on an inner surface of the side plates 244 , 245 , 246 , and 247 of the first body part 240 . The groove 248 may be continuously formed on inner surfaces of the first to fourth side plates 244 , 245 , 246 , and 247 .

The second body part 240 may include a groove 248 . The groove 248 may be recessed from a partial region of the lower surface 243 of the second body part 240 . The groove 248 may be recessed from a partial region of the inner surface of the side plate of the second body part 240 .

The inner surface of the second body portion 240 has a first surface, a second surface that protrudes inward than the first surface, and a third surface that connects the first surface and the second surface and is orthogonal to the first surface and the second surface. It may include cotton.

The groove 248 may be formed on the inner surface of the side plate of the second body part 240 . The groove 248 may include a first surface and a third surface of the second body part 240 . The groove 248 may be coupled to the shield cover 300 . The groove 248 may be fixed to the shield cover 300 . The third surface of the groove 248 may be in contact with the upper surface of the side plate 320 of the shield cover 300 . The first surface of the groove 248 may be in contact with the outer surface of the side plate 320 of the shield cover 300 . In this case, a portion of the shield cover 300 in contact with the groove 248 may be treated with a metal surface. Through this, the interface separation between the shield cover 300 and the second body part 240 can be prevented. The bonding force and adhesion between the shield cover 300 and the second body part 240 can be maximized. In addition, through this, it is possible to minimize the gap between the shield cover 300 and the second body portion 240 to perform a waterproof role.

The second body portion 240 may be coupled to the upper portion of the side plate 320 of the shield cover 300 by insert injection. The groove 248 of the second body portion 240 and the upper portion of the side plate 320 of the shield cover 300 may be insert-injected. Hereinafter, insert injection between the second body part 240 and the shield cover 300 may be referred to as first insert injection.

The second body 200 may include a connector lead-out part 230 . The connector lead-out part 230 may be coupled to the bottom plate 310 of the shield cover 300 . The connector lead-out part 230 may be disposed in the hole 311 of the bottom plate 310 of the shield cover 300 . The connector lead-out part 230 may pass through the hole 311 of the bottom plate 310 of the shield cover 300 . The connector lead-out part 230 may have a connector 460 disposed therein. The connector lead-out part 230 may be formed of a plastic material.

The connector lead-out part 230 may include a first portion 232 disposed in the hole 311 of the bottom plate 310 of the shield cover 300 . The connector lead-out part 230 may include a second part 233 disposed under the bottom plate 310 of the shield cover 300 . The first portion 232 may protrude upward from a portion of the upper surface facing the bottom plate 310 of the shield cover 300 of the second portion 233 . A diameter of the first portion 232 in a direction perpendicular to the optical axis direction may be smaller than a diameter of the second portion 233 in a direction perpendicular to the optical axis direction. In this case, the insert-injected bonding surface between the connector lead-out part 230 and the shield cover 300 may be maximized. Through this, the shield cover 300 and the connector lead-out part 230 can be fixed more firmly, thereby preventing the penetration of moisture. That is, the waterproof function can be maximized. A diameter of the outer peripheral surface of the first part 232 in a direction perpendicular to the optical axis direction may be the same as a diameter in a corresponding direction of the hole 311 of the bottom plate 310 of the shield cover 300 . The first portion 232 may be inserted into the hole 311 of the bottom plate 310 of the shield cover 300 . The first portion 232 may be coupled to the hole 311 of the bottom plate 310 of the shield cover 300 by insert injection. The upper surface of the second part 233 may be coupled to the lower surface of the bottom plate 310 of the shield cover 300 . The upper surface of the second part 233 may be coupled to the lower surface of the bottom plate 310 of the shield cover 300 by insert injection. In this case, the bonding surface of the shield cover 300 with the connector lead-out 230 may be treated with a metal surface. Hereinafter, insert injection between the shield cover 300 and the connector lead-out part 230 may be referred to as secondary insert injection.

The first insert injection may be performed before the second insert injection. Alternatively, the second insert injection may be performed before the first insert injection.

The first part 232 and the second part 233 of the connector lead-out part 230 may be integrally formed. The length of the first part 232 of the connector lead-out part 230 in the optical axis direction may be smaller than the length of the second part 233 of the connector lead-out part 230 in the optical axis direction. The length of the first portion 232 in the optical axis direction may correspond to the thickness of the bottom plate 310 of the shield cover 300 . The upper surface of the first part 232 may be disposed on the same plane as the upper surface of the bottom plate 310 of the shield cover 300 .

The connector lead-out part 230 may include a hole 231 . A connector 460 may be disposed in the hole 231 . The hole 231 may accommodate at least a portion of the connector 460 . Through this, the connector lead-out part 230 may fix the connector 460 .

The difference between the camera module 20 according to another embodiment of the present invention and the camera module 10 according to an embodiment is that the camera module 20 according to another embodiment is exposed to the outside of the metal shield cover 300 . It is in that the heat dissipation effect is maximized by maximizing the

The camera module 20 may include a shield cover 300 . The shield cover 300 may be coupled to the second body part 240 . An upper portion of the shield cover 300 may be coupled to the second body portion 240 . At least a portion of the shield cover 300 may be adhered to the second body portion 240 . The shield cover 300 may be formed of a metal material.

The shield cover 300 may include a bottom plate 310 and a side plate 321 extending from the bottom plate 310 . The side plate 321 of the shield cover 300 includes a first portion overlapping at least a portion of the second body portion 240 in a direction perpendicular to the optical axis direction, and extending from the first portion and includes a second body portion 240 and A second portion that does not overlap in a direction perpendicular to the optical axis direction may be included.

The first portion of the shield cover 300 may be adhered to at least a portion of the second body portion 240 . The first part may be disposed in the groove 248 of the second body part 240 . The first portion of the shield cover 300 may be adhered to the groove 248 of the second body portion 240 . A surface opposite to the first surface of the groove 248 of the first portion of the shield cover 300 may be adhered to the first surface of the groove 248 . A surface opposite to the third surface of the groove 248 of the first portion of the shield cover 300 may be adhered to the third surface of the groove 248 . The first portion of the shield cover 300 may be treated with a metal surface. Among the first portions of the shield cover 300 , portions facing the first surface of the groove 248 and the third surface of the groove 248 may be subjected to metal surface treatment.

The second portion of the shield cover 300 may be exposed to the outside. A length of the second portion of the shield cover 300 in the optical axis direction may be greater than a length in a direction corresponding to the first portion of the shield cover 300 . Through this, it is possible to maximize the heat dissipation performance by maximizing the exposed area of the shield cover 300 .

Hereinafter, a heat dissipation path of the camera modules 10 and 20 according to an embodiment and another embodiment of the present invention will be described in detail with reference to the drawings.

33 is a diagram illustrating a heat dissipation process of a camera module according to an embodiment and another embodiment of the present invention.

Recently, the number of boards embedded in the camera module increases according to the demand for high resolution of the small camera module, and there is a problem in that the plastic body is damaged and parts such as the image sensor are damaged due to the heat generated from the board.

Referring to FIG. 33 , in the camera module 10 according to the present invention, heat generated from the substrate is transferred to the metal shield cover 300 , and the heat transferred to the shield cover 300 is the second body 200 . It may be emitted to the outside of the camera module 10 through the holes 211 and 223 of the. In addition, in the camera module 20 according to the present invention, heat generated from the substrate is transferred to any one of the heat dissipation member 600 and the metallic shield cover 300 , and the heat transferred to the shield cover 300 is first Heat is emitted to the outside of the camera module 10 through the holes 211 and 223 of the second body 200 , and the heat transferred to the heat dissipation member 600 is transferred to the shield cover 300 and It may be emitted to the outside of the camera module 10 through the holes 211 and 223 .

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, those of ordinary skill in the art to which the present invention pertains can realize that the present invention can be embodied in other specific forms without changing its technical spirit or essential features. you will be able to understand Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive.

Claims (20)

a first body including a lens;
a second body coupled to the first body and including a hole; and
a shield cover disposed within the second body;
the shield cover is adhered to the second body;
A part of the side plate of the shield cover is exposed by the hole of the second body. According to claim 1,
The second body includes a bottom plate and a side plate extending from the bottom plate in a direction toward the first body,
The side plate of the second body includes a first area adhered to the shield cover, and a second area not adhering to the shield cover and the first body;
A thickness of the second region of the second body is greater than a thickness of the first region of the second body. 3. The method of claim 2,
An inner surface of the second region of the side plate of the second body protrudes inward than an inner surface of the first region of the side plate of the second body. 4. The method of claim 3,
and an inner surface of the first area and an inner surface of the second area of the side plate of the second body including a stepped structure. 4. The method of claim 3,
The shield cover includes a bottom plate disposed on the bottom plate of the second body, and a side plate disposed on the side plate of the first body,
The side plate of the shield cover is disposed in the first area of the second body. 5. The method of claim 4,
The sum of the thickness of the side plate of the shield cover and the thickness of the first region of the side plate of the second body is greater than the thickness of the second region. 7. The method of claim 6,
An inner surface of the side plate of the shield cover protrudes inward than an inner surface of the first region of the side plate of the second body. 5. The method of claim 4,
A thickness of the side plate of the shield cover is thinner than a thickness of the second region of the side plate of the second body. 9. The method of claim 8,
A width between inner surfaces of the first area of the second body facing each other is greater than a width between inner surfaces of the second area of the second body facing each other. According to claim 1,
The second body includes a bottom plate and a side plate extending from the bottom plate,
The hole of the second body includes a first hole formed in the bottom plate of the second body and a second hole formed in the side plate of the second body,
The shape of the first hole is different from the shape of the second hole in the camera module. 11. The method of claim 10,
The side plate of the second body includes a first side plate and a second side plate, a third side plate disposed opposite to the first side plate, and a fourth side plate disposed opposite to the second side plate,
A plurality of the second holes are formed in the first to fourth side plates, respectively,

The second hole is arranged in a direction perpendicular to the optical axis,
A length of the first side plate in a direction perpendicular to the optical axis direction is 1.5 to 2.5 times the sum of the lengths of the plurality of second holes formed in the first side plate in a direction perpendicular to the optical axis. 11. The method of claim 10,
A cross-sectional area of the first side plate is 3 to 5 times the total area of the plurality of second holes formed in the first side plate. According to claim 1,
The second body includes a bottom plate and a side plate extending from the bottom plate,
The shield cover includes a bottom plate disposed on the bottom plate of the second body, and a side plate extending from the bottom plate of the shield cover and disposed on the side plate of the second body,
At least a portion of the bottom plate of the shield cover is exposed by the first hole of the second body,
At least a portion of the side plate of the shield cover is exposed by the second hole of the second body. The method of claim 1,
The substrate assembly includes a first substrate coupled to the first body, a second substrate disposed under the first substrate, a spacer separating the first substrate from the second substrate, and the first substrate and the first substrate. A camera module including a third substrate electrically connecting the two substrates. 15. The method of claim 14,
and a heat dissipation member disposed within the shield cover and disposed between the shield cover and the spacer. According to claim 1,
A camera module in which the shield cover is insert-injected inside the second body According to claim 1,
The second body is made of a plastic material,
The shield cover is a camera module formed of a metal material. a first body including a lens;
a second body coupled to the first body;
and a shield cover disposed in the second body and coupled to the second body;
The second body includes a bottom surface and an inner surface connected to the bottom surface and including a step,
The shield cover includes a bottom plate coupled to the bottom surface and a side plate coupled to the inner surface of the second body,
At least a portion of the upper surface of the side plate of the shield cover is coupled to the step difference of the inner surface of the second body. 19. The method of claim 18,
The shield cover and the second body are coupled to a waterproof camera module a first body including a lens;
a second body coupled to the first body;
and a shield cover disposed in the second body and coupled to the second body;
The shield cover is coupled to the second body to be waterproof,
The second body is a camera module including a plurality of holes formed to dissipate heat of the shield cover.

Images